FROM python:3.9-slim

WORKDIR /code

# Install system dependencies required for Pillow and other libraries
RUN apt-get update && apt-get install -y \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender-dev \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first for better caching
COPY ./requirements.txt /code/requirements.txt

# Install Python dependencies
RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt

# Copy the application code
COPY ./app.py /code/

# Command to run the application
CMD ["python", "app.py"]